Add Extra Insulation To Attic

Keep adding layers until you get to r 38.

Add extra insulation to attic.

Blown in attic and wall insulation is a more effective way to add insulation to older homes. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. Inspect the exterior walls by using an electrical outlet. To determine if you need more insulation measure what s in place with a ruler or tape.

Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all. Turn off the power to the outlet. But if the floor is covered in plywood you can t stuff enough insulation beneath it to do the job sufficiently not even in warm climates. Install fiberglass batts over existing batt insulation.

Measure how much insulation you already have. The chart included below shows you the approximate thickness of each type of insulation you should ideally have in the attic. If you already have six inches of insulation and you want to get to the recommended r 38 add an attic blanket it s also made of fiberglass but it has no paper backing. How much does attic insulation cost.

Add the right kind of insulation. Follow the manufacturer s on package recommendation for r value based on your geographic. Check the depth using a tape measure. You should be able to see if there is insulation in the wall.

How to add extra insulation to an attic 1. Lay a walkway. Remove the outlet cover and shine a flashlight into the crack around the outlet box. Measure the length and width of the attic.

You can add loose fill on top of fiberglass batts or blankets and vice versa. The pros charge 1 500 to 2 000 to do a 1 200 sq ft. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. Because the simplest and cheapest way to insulate an attic is to add material to the floor.

Rosie romero is an arizona home building and remodeling industry expert with 25 years of experience. Multiply length by width to determine the attic s area and the amount of. Plan to pull up the flooring and layer new insulation on top of the old. Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used.

To install it just lay it across the joists. When you do the measuring make sure you have plenty of light to work by and work on a cool day. You can do it yourself for about 500. How do i add insulation to existing attic insulation.

If you need to add insulation in your attic save big by blowing in cellulose insulation yourself.